[Interpreter] Log source positions for bytecode arrays.

src/assembler.cc

Index: src/assembler.cc
diff --git a/src/assembler.cc b/src/assembler.cc
index 317b0a5fe9f417684ee772334f58bb43f8afc3ff..b4fc1b1ebda304f257b0a8984c9f0c4b37bbc28b 100644
--- a/src/assembler.cc
+++ b/src/assembler.cc
@@ -1648,8 +1648,7 @@ std::ostream& operator<<(std::ostream& os, ExternalReference reference) {
   return os;
 }
 
-
-void PositionsRecorder::RecordPosition(int pos) {
+void AssemblerPositionsRecorder::RecordPosition(int pos) {
   DCHECK(pos != RelocInfo::kNoPosition);
   DCHECK(pos >= 0);
   state_.current_position = pos;
@@ -1659,8 +1658,7 @@ void PositionsRecorder::RecordPosition(int pos) {
                                                  pos));
 }
 
-
-void PositionsRecorder::RecordStatementPosition(int pos) {
+void AssemblerPositionsRecorder::RecordStatementPosition(int pos) {
   DCHECK(pos != RelocInfo::kNoPosition);
   DCHECK(pos >= 0);
   state_.current_statement_position = pos;
@@ -1671,8 +1669,7 @@ void PositionsRecorder::RecordStatementPosition(int pos) {
                      pos));
 }
 
-
-bool PositionsRecorder::WriteRecordedPositions() {
+bool AssemblerPositionsRecorder::WriteRecordedPositions() {
   bool written = false;
 
   // Write the statement position if it is different from what was written last